<template>
    <div class="shopcar-container">

        <!-- 商品列表区域 -->
        <div class="goods-list">
            <div class="mui-card" v-for="(item, i) in gooslist" :key="item.id">
			    <div class="mui-card-content">
				    <div class="mui-card-content-inner">
                        <mt-switch @change="selectedChanged(item.id,$store.getters.getGoodsSelected[item.id])" v-model="$store.getters.getGoodsSelected[item.id]"></mt-switch>
                        <img :src="item.thumb_path" alt="">
                        <div class="info">
                            <h1>{{item.title}}</h1>
                            <p>
                                <span class="price">￥{{item.sell_price}}</span>
                                <numbox :initcount="$store.getters.getGoodsCount[item.id]" :goodsid="item.id"></numbox>
                                <!-- 问题：如何从购物车中获取商品的数量 -->
                                <!-- 1.我们可以先创建一个 空对象 然后循环购物车中所有商品的数据，把当前循环的这条商品的id作为对象的属性名，count值 作为 对象的 属性值
                                这样 当把所有的商品循环一遍，就会得到一个对象 {88:2，89:1,90:4} -->
                                <a href="#" @click.prevent="remove(item.id, i)">删除</a>
                            </p>
                        </div>
				    </div>
			    </div>
		    </div>
        </div>

        <!-- 结算区域 -->
        <div class="mui-card">
			<div class="mui-card-content">
				<div class="mui-card-content-inner jiesuan">
                    <div class="left">
                        <p>总计(不含运费)</p>
                        <p>已勾选商品 <span class="red">{{$store.getters.getGoodsCountAndAmount.count}}</span> 件, 总价 <span class="red">￥ {{$store.getters.getGoodsCountAndAmount.amount}}</span></p>
                    </div>
                    <mt-button type="danger">去结算</mt-button>
				</div>
                
			</div>
		</div>


        <!-- <p>{{$store.getters.getGoodsSelected}}</p> -->

    </div>
</template>

<script>
import numbox from '../subcomponent/shpocar_numbox.vue'
    export default {
        data(){
            return{
                gooslist:[],//购物车中所有的商品数据
            }
        },
        created(){
            this.getGoodsList();
        },
        methods:{
            getGoodsList(){
                //获取到 store 中所有的商品的id 然后拼接出一个 用逗号隔开的字符串
                var idArr = [];
                this.$store.state.car.forEach(item => idArr.push(item.id));
                //如果 购物车中没有商品 则直接返回 不需要请求数据接口 否则会报错
                if(idArr.length<=0){
                    return;
                }
                //获取购物车商品列表
                this.$http.get('api/goods/getshopcarlist/'+idArr.join(',')).then(result => {
                    if(result.body.status === 0){
                        this.gooslist = result.body.message;
                    }
                });
            },
            remove(id,index){
                //点击删除，把商品从 store 中 根据传递的id删除，同时把当前组件中的中对应要删除的那个商品 使用index来删除
                this.gooslist.splice(index,1);
                this.$store.commit('removeFormCar',id);
            },
            selectedChanged(id,val){
                //每当点击开关，把最新的开关 状态 同步到 store中
                // console.log(id+'----'+val);
                this.$store.commit('updateGoodsSelected',{id:id,selected:val});
            }
        },
        components:{
            numbox
        }
    }
</script>

<style lang="scss" scoped>
.shopcar-container{
    background: #eee;
    overflow: hidden;
    .goods-list{
        .mui-card-content-inner{
            display: flex;
            align-items: center;
        }
        img{
            width: 60px;
            height: 60px;
        }
        h1{
            font-size: 13px;
        }
        .info{
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            .price{
                color: red;
                font-weight: bold;
            }
        }
    }
    .jiesuan{
        display: flex;
        justify-content: space-between;
        align-items: center;
        .red{
            color: red;
            font-size: 16px;
            font-weight:bold;
        }
    }
    
}
</style>


